20'x20' Greenhouse Frame Quonset straps Energy saver controls use stratified

Energy saver controls use stratified ceiling air to heat the space below and disable gas when temperatures increase

Keeping cracks and rips sealed is essential for climate control

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Managing even the most complex environments is a simple task with a sleek and intuitive interface

Aluminum shutters with tie bar to prevent flapping and locking open

20'x20' Greenhouse Frame Quonset straps Energy saver controls use stratifiedHortitech greenhouse frames in 20'x20' are built for resilience and are competitively priced. These small greenhouses are made from high grade galvanized steel that can withstand wind and snow. When you buy greenhouse frames from Hortitech, you get greenhouse frames direct from the manufacturer that are 100% American made with no cheap pre fabricated foreign parts. This product is ONLY the steel greenhouse frame. All steel, purlin, and hardware for